CN115991438A - Large crane base for winding pile leg and processing technique - Google Patents
Large crane base for winding pile leg and processing technique Download PDFInfo
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- CN115991438A CN115991438A CN202310144241.2A CN202310144241A CN115991438A CN 115991438 A CN115991438 A CN 115991438A CN 202310144241 A CN202310144241 A CN 202310144241A CN 115991438 A CN115991438 A CN 115991438A
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Abstract
The invention relates to the field of self-elevating wind power installation vessels, and discloses a large crane base for winding pile legs and a processing technology method thereof. The invention can vertically pass through the pile leg of the wind power installation ship from the middle of the base, saves a large amount of deck space, effectively supports various loads generated by the crane boom during working, relieves stress concentration, improves the strength of the crane base and the nearby structure, and fully ensures the yield and buckling strength of the crane base.
Description
Technical Field
The invention relates to the field of self-elevating wind power installation vessels, in particular to a large crane base for winding pile legs and a processing technique method.
Background
In order to improve lifting capacity, the self-elevating wind power installation platform is provided with a full-circle crane with higher lifting capacity. Because the crane has larger hoisting load and longer full-rotation suspension arm, the crane base is subjected to great bending moment and shearing force, so that the crane base reinforcing structure is larger, and a larger deck area can be occupied. The base size of a crane of 1600 tons, for example, is 18m long and 16m wide. The cross section of the joint of the interface of the crane and the base is round, and the reinforced structure at the bottom of the deck is a square frame structure crossed by transverse bulkheads and longitudinal bulkheads. Therefore, there is a need for a crane base structure that can significantly reduce the space taken up by the deck, effectively connect the circular cross section of the bottom of the crane, and maximize the use of the original bulkhead reinforcement under the deck.
In document CN 204802902U, a lorry-mounted crane base body is disclosed, comprising a front fixed bolt seat assembly, a support assembly and a rotator assembly; the front fixing bolt seat assembly and the revolving body assembly are respectively connected with the supporting assembly in a welding way; the rear fixing bolt seat assembly is used for fixing the lorry-mounted crane base body on the frame; the rear fixing bolt seat assembly is connected with the revolving body assembly in a welding mode. The novel mail box is also a base body, but is cylindrical from top to bottom, so that the novel mail box cannot be directly fixed on a mail box and a deck of the mail box, and other reinforcing structures are needed, so that space is wasted, and the working efficiency is reduced.
Disclosure of Invention
In order to solve the problems, the invention discloses a large crane base for winding pile legs and a processing technology method, which greatly reduce the space occupied by a deck, improve the working efficiency and increase the overall strength of the base.
The technical scheme of the invention is as follows: the utility model provides a around large-scale hoist base of spud leg, including crane base and inside additional strengthening, inside additional strengthening includes round square frame structure and square frame structure, round square frame structure includes triangle-shaped swash plate structure, circular arc curved surface plate structure and circular T section bar structure, triangle-shaped swash plate structure includes the board, T section bar a, flat bulb steel a, toggle plate a, circular arc curved surface plate structure includes arc T section bar, T section bar b, toggle plate b, square frame structure includes grillage a, grillage b, grillage c, grillage d, between the instrument, the grillage includes T section bar c, flat bulb steel b, toggle plate c.
Further, the round-square structure is formed by up-and-down splicing of the round-square structure and the square frame structure, the top of the round-square structure is a round section, the diameter of the section of the round-square structure is the same as that of the section of the bottom of the crane, the bottom of the dome-shaped square structure is a square section, and four corners of the square frame structure are connected with a bottom deck through arc plate transition.
Further, four triangle-shaped swash plate structures and four circular arc curved surface plate structures are connected at intervals in proper order, and circular T section bar structure is established at circular arc curved surface plate structure top.
Further, the circular T-section structure comprises a T-section web and a T-section panel, wherein the T-section web is perpendicular to the T-section panel and the vertical circular arc plate.
Further, the triangular inclined plate structure comprises a T-shaped material a, a toggle plate a and a flat-bulb steel a which are arranged on the plate, wherein the T-shaped material a is sequentially and transversely arranged on the inner side wall of the plate in parallel, the flat-bulb steel a is perpendicular to the T-shaped material a, and the toggle plate a is arranged between the flat-bulb steel a and the T-shaped material a.
Further, the arc curved surface plate structure comprises an arc-shaped T-shaped section bar positioned on the arc-shaped plate, a T-shaped section bar b is vertically arranged on the arc-shaped T-shaped section bar, and a toggle plate b is arranged between the arc-shaped T-shaped section bar and the T-shaped section bar b.
Further, the square frame structure is formed by connecting a plate frame a, a plate frame b, a plate frame c and a plate frame d end to end, wherein the plate frame d is provided with a spud leg gear box access door, the periphery of an access door opening hole is locally reinforced in plate thickness, the plate thickness is 2 times of the plate thickness before the opening hole, and the access door is provided with a panel for reinforcement.
Further, the plate frame a, the plate frame b, the plate frame c and the plate frame d are vertically provided with a T-shaped material c, flat-bulb steel b is vertically arranged on the T-shaped material c, and a toggle plate c is arranged between the flat-bulb steel b and the T-shaped material c.
A processing technology of a large crane base around a pile leg comprises the following steps:
step 1: processing the circular T-shaped section structure: the method comprises the steps of taking a vertical arc plate as a reference, and welding and connecting a T-shaped web plate and a T-shaped panel with the vertical arc plate;
step 2: performing curved surface processing on a structure of four circular arc curved surface plates of a dome and a square, and orderly installing an arc-shaped T section, a T section b and a toggle plate b by taking a curved surface as a tire; the triangular inclined plane of the triangular inclined plate structure is used as a reference plane, flat-bulb steel a, T-shaped materials a and toggle plates are sequentially arranged on the plate, the side edge of the arc curved surface structure and the triangular inclined plane of the triangular inclined plate structure are welded to form a dome-shaped and space structure, and then the dome-shaped and space structure is welded with the circular T-shaped material structure at the upper part;
step 3: the square frame structure of the lower half part is processed: taking the outer surface of each bulkhead as a reference, orderly installing flat bulb steel a, T-shaped materials a, plates and toggle plates to form a plate frame structure, then normally splicing the four welded plate frames together by 90 degrees, welding to form a surrounding wall structure, and assembling the tool rooms;
step 4: hoisting the dome-shaped and dome-shaped structure integrally to a square frame structure, and welding the dome-shaped and dome-shaped structure into an integral structure;
step 5: and (3) integrally hoisting the welded integral structure to the deck plane for welding.
The invention has the advantages that: 1. the upper part of the base is round, the lower part of the base is square, and when the base is installed, the lower part of the base is square, and the structure on the deck is also square, so that the bottom of the base is directly combined with the structure on the deck, thereby avoiding the addition of additional structural reinforcement, reducing reinforcement procedures and improving the working efficiency.
2. The hollow structure of the base, through which the self-elevating pile leg vertically passes, has compact structure, saves the space occupied by the base on the deck to the greatest extent, can reduce the space occupied by the fixed structure on the deck, avoids the risk of interference with the pile leg when the crane boom rotates fully, and improves the integral safety performance of the device.
3. The T-shaped supports and the bone materials which are mutually intersected in the base can prevent the base from being locally buckled, the strength of the base is increased, the bearing capacity of the base is improved, four corners at the bottom of the base are transited to a deck through the arc plates, acting force on the upper part can be released to the deck through the arc plates, and stress concentration is effectively relieved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an assembly view of a triangular swash plate of a dome-shaped and space-square structure;
FIG. 3 is an assembly view of a dome shaped arc curved plate;
FIG. 4 is an assembly view of a top circular T-section bar strong frame of a dome-shaped structure;
FIG. 5 is an assembly view of a dome and dome structure;
FIG. 6 is an assembly view of a mechanic-to-mechanic structure;
FIG. 7 is an assembly view of a square frame-bulkhead structure;
fig. 8 is an assembly view of a square frame structure.
Wherein: 1. a dome-shaped space structure; 2. a circular T-section structure; 3. a triangular sloping plate structure; 4. a circular arc curved surface structure; 5. an arc plate; 6. a square frame structure; 7. flat bulb steel a; 8. t section a; 9. a plate; 10 toggle plate a; 11. arc-shaped T-shaped materials; 12. t-shaped material b; 13. toggle plate b; 14. a tool room; 15. a T section c; 16. flat bulb steel b; 17. a toggle plate c; 18. a plate rack a; 19. a plate frame b; 20. a plate frame c; 21. a plate frame d; 22. an access door; 23. a T-shaped material web plate; 24. a T-section panel; 25. and a vertical arc plate.
Description of the embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-8, a large crane base for winding pile legs comprises a crane base and an internal reinforcing structure, wherein the internal reinforcing structure comprises a dome structure 1 and a square frame structure 6, the dome structure 1 comprises a triangular inclined plate structure 3, a circular arc curved plate structure 4 and a circular T-shaped material structure 2, the triangular inclined plate structure 3 comprises a plate 9, a T-shaped material a8, flat-bulb steel a7 and a toggle plate a10, the circular arc curved plate structure 4 comprises an arc-shaped T-shaped material 11, a T-shaped material b12 and a toggle plate b13, the square frame structure comprises a plate frame a18, a plate frame b19, a plate frame c20, a plate frame d21 and a tool room 14, the plate frame comprises a T-shaped material c15, flat-bulb steel b16 and a toggle plate c17, a base with a circular upper part and a square lower part is formed, and the combination with the structure on a deck is convenient, and a large amount of structural reinforcement is avoided.
The dome structure 1 is formed by up-down splicing with the square frame structure 6, the top of the dome structure 1 is a round section, the diameter of the section of the top of the dome structure is the same as that of the bottom of a crane, the bottom of the dome structure 1 is a square section, four corners of the square frame structure 6 are connected with a bottom deck in a transitional manner through arc plates 5, the thickness of each arc plate is more than 2 times that of a cabin wall plate, and the arc plates 5 can smoothly transmit force to the lower deck and the cabin wall plate, so that local stress concentration at the bottom of a pile leg is avoided.
Four triangle-shaped swash plate structures 3 and four circular arc curved surface board structures 4 interval connection in proper order, circular T section bar structure is established at circular arc curved surface board structure 4 top, and triangle-shaped swash plate structure 3's shape is that triangle-shaped lower part is rectangle for the upper portion, can be with the holistic shape transition of base into upper portion circular lower part square through triangle-shaped swash plate structure 3 and circular arc curved surface structure 4, and the lower part can be with original structural connection on the deck.
The circular T-profile structure 2 comprises a T-profile web 23 and a T-profile panel 24, the T-profile web 23 being perpendicular to the T-profile panel 24 and to the vertical circular arc plate 25.
The triangular inclined plate structure 3 comprises a T-shaped material a8, a toggle plate a10 and a flat-bulb steel a7 which are arranged on a plate, wherein the T-shaped material a8 is sequentially and transversely arranged on the inner side wall of the plate 9 in parallel, the flat-bulb steel a7 is perpendicular to the T-shaped material a8, and the toggle plate a10 is arranged between the flat-bulb steel a7 and the T-shaped material a 8.
The arc curved panel structure 4 comprises an arc-shaped T-shaped section 11 positioned on an arc-shaped plate, a T-shaped section b12 is vertically arranged on the arc-shaped T-shaped section 11, and a toggle plate b13 is arranged between the arc-shaped T-shaped section 11 and the T-shaped section b 12.
The square frame structure 6 is formed by connecting a plate frame a18, a plate frame b19, a plate frame c20 and a plate frame d21 end to end, wherein the plate frame d21 is provided with a spud leg gear box access door 22, the periphery of an opening of the access door 22 is locally reinforced in plate thickness, the plate thickness is 2 times of the plate thickness before the opening, the access door 22 is provided with a panel for reinforcement, and the access door 22 does not influence the vertical movement of the spud leg.
The plate frame a18, the plate frame b19, the plate frame c20 and the plate frame d21 are vertically provided with a T-shaped material c15, flat-bulb steel b16 is vertically arranged on the T-shaped material c15, and a toggle plate c17 is arranged between the flat-bulb steel b16 and the T-shaped material c 15.
A processing technology of a large crane base around a pile leg comprises the following steps:
step 1: processing the round T-shaped section structure 2: the T-shaped web plate 23 and the T-shaped panel 24 are welded with the vertical arc plate 25 by taking the vertical arc plate 25 as a reference;
step 2: the method comprises the steps of carrying out curved surface processing on a structure of four circular arc curved surface plates of a dome and a square, taking a curved surface as a tire, and sequentially installing an arc-shaped T-shaped section 11, a T-shaped section b12 and a toggle plate b13; the triangular inclined plane of the triangular inclined plate structure 3 is used as a reference plane, flat bulb steel a7, T-shaped materials a8 and toggle plates are sequentially arranged on the plate, the side edge of the arc curved surface structure 2 and the triangular inclined plane of the triangular inclined plate structure 3 are welded to form a dome-shaped and square structure 1, and then the dome-shaped and square structure is welded with the circular T-shaped material structure on the upper part;
step 3: the lower half square frame structure 6 is processed: taking the outer surface of each bulkhead as a reference, orderly installing flat bulb steel a7, T-shaped materials a8, a plate 9 and a toggle plate to form a plate frame structure, then normally splicing the four welded plate frames together by 90 degrees, welding to form a surrounding wall structure, assembling a tool room 14, and assembling the tool room 14 at any position which does not prevent the entry of pile legs;
step 4: hoisting the dome-shaped space structure 1 to the square frame structure 6 integrally, and welding to form an integral structure;
step 5: and (3) integrally hoisting the welded integral structure to the deck plane for welding.
It will be appreciated by persons skilled in the art that the embodiments of the invention described above and shown in the drawings are by way of example only and not limitation, and that the objects of the invention have been fully and effectively achieved. The functional and structural principles of the present invention have been shown and described in the examples and embodiments of the invention may be modified or practiced without departing from the principles described.
Claims (9)
1. The utility model provides a around large-scale hoist base of spud leg, includes crane base and inside additional strengthening, inside additional strengthening includes round sky square earth structure and square frame structure, its characterized in that: the square frame structure comprises a plate frame a, a plate frame b, a plate frame c, a plate frame d and a tool room, wherein the plate frame comprises a T-shaped material c, a flat-bulb steel b and a toggle plate c.
2. A large crane foundation around a spud leg according to claim 1, characterized in that: the square frame structure is characterized in that the square frame structure is formed by up-down splicing of the square frame structure, the top of the square frame structure is a round section, the diameter of the square frame structure is the same as that of the section of the bottom of the crane, the bottom of the square frame structure is a square section, and four corners of the square frame structure are connected with a bottom deck through arc plate transition.
3. A large crane foundation around a spud leg according to claim 1, characterized in that: the triangular inclined plate structure and the four circular arc curved plate structures are respectively provided with four circular arc curved plate structures which are connected at intervals in sequence, and the top of the circular arc curved plate structure is provided with a circular T-shaped material structure.
4. A large crane foundation around a spud leg according to claim 1, characterized in that: the round T-shaped section structure comprises a T-shaped section web and a T-shaped section panel, and the T-shaped section web is perpendicular to the T-shaped section panel and the vertical arc plate.
5. A large crane foundation around a spud leg according to claim 1, characterized in that: the triangular inclined plate structure comprises a T-shaped section bar a, a toggle plate a and a flat-bulb steel a which are arranged on a plate, wherein the T-shaped section bar a is sequentially and transversely arranged on the inner side wall of the plate in parallel, the flat-bulb steel a is perpendicular to the T-shaped section bar a, and the toggle plate a is arranged between the flat-bulb steel a and the T-shaped section bar a.
6. A large crane foundation around a spud leg according to claim 1, characterized in that: the arc curved plate structure comprises an arc-shaped T-shaped section bar positioned on an arc-shaped plate, a T-shaped section bar b is vertically arranged on the arc-shaped T-shaped section bar, and a toggle plate b is arranged between the arc-shaped T-shaped section bar and the T-shaped section bar b.
7. A large crane foundation around a spud leg according to claim 1, characterized in that: square frame construction comprises grillage a, grillage b, grillage c and grillage d end to end, grillage d is provided with leg gear box access door, access door trompil periphery carries out local plate thickness and strengthens, and the plate thickness is 2 times of the plate thickness before the trompil, and the access door sets up the panel and strengthens.
8. The large scale crane base around the leg of claim 7, wherein: the plate frame a, the plate frame b, the plate frame c and the plate frame d are vertically provided with T-shaped materials c, flat-bulb steel b is vertically arranged on the T-shaped materials c, and a toggle plate c is arranged between the flat-bulb steel b and the T-shaped materials c.
9. A process for machining a large crane base around a pile leg according to claim 1, comprising the steps of:
step 1: processing the circular T-shaped section structure: the method comprises the steps of taking a vertical arc plate as a reference, and welding and connecting a T-shaped web plate and a T-shaped panel with the vertical arc plate;
step 2: performing curved surface processing on a structure of four circular arc curved surface plates of a dome and a square, and orderly installing an arc-shaped T section, a T section b and a toggle plate b by taking a curved surface as a tire; the triangular inclined plane of the triangular inclined plate structure is used as a reference plane, flat-bulb steel a, T-shaped materials a and toggle plates are sequentially arranged on the plate, the side edge of the arc curved surface structure and the triangular inclined plane of the triangular inclined plate structure are welded to form a dome-shaped and space structure, and then the dome-shaped and space structure is welded with the circular T-shaped material structure at the upper part;
step 3: the square frame structure of the lower half part is processed: taking the outer surface of each bulkhead as a reference, orderly installing flat bulb steel a, T-shaped materials a, plates and toggle plates to form a plate frame structure, then normally splicing the four welded plate frames together by 90 degrees, welding to form a surrounding wall structure, and assembling the tool rooms;
step 4: hoisting the dome-shaped and dome-shaped structure integrally to a square frame structure, and welding the dome-shaped and dome-shaped structure into an integral structure;
step 5: and (3) finishing the whole structure by welding, and integrally hoisting the whole structure to the deck plane for welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310144241.2A CN115991438A (en) | 2023-02-21 | 2023-02-21 | Large crane base for winding pile leg and processing technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310144241.2A CN115991438A (en) | 2023-02-21 | 2023-02-21 | Large crane base for winding pile leg and processing technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115991438A true CN115991438A (en) | 2023-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310144241.2A Pending CN115991438A (en) | 2023-02-21 | 2023-02-21 | Large crane base for winding pile leg and processing technique |
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|---|---|
| CN (1) | CN115991438A (en) |
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- 2023-02-21 CN CN202310144241.2A patent/CN115991438A/en active Pending
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